div.overflow_1{
    width: 300px;
    height: 100px;
    border: 1px solid #ccaabb;
    overflow: hidden;
}

div.overflow_2{
    width: 100px;
    height: 100px;
    border: 1px dashed #abcdef;    
    font-size: 250%;
    overflow: auto;
}

.box{
    width: 400px;
    height: 50px;
    border: 3px solid #00ff00;
    margin-top: 10px;
    background-color: #cecece;
}

.pos_static{
    position: static;
    background-color: bisque;
}

.pos_relative{
   background-color: blueviolet;
    position: relative;
    right: -50px;
    top: 20px;
    z-index: 100;
}

.pos_fixed{
    background-color: royalblue;
    position: fixed;
    top: 0px;
    right: 0px;
}

.pos_absolute{
    background-color: goldenrod;
    position: absolute;
    top: 100px;
    left: 200px;
}

.menu:hover + .absolute_menu{
    display: block;
}

.absolute_menu{
    display: none;
    background-color: hotpink;
    position: absolute;
    top: 56px;
    left: 0px;
}
.pos_sticky{
    position: sticky;
    position: -webkit-sticky;
    background-color: #667788;
    bottom: 30px;
    margin-left: 400px;
}

.box_float{
    float: left;
    background-color: red;
    margin-left: 20px;
}
.clf{
    clear: both;
}
li{
    float: left;
    width: 100px;
    border: 1px solid black;
}